-16x^3-6x^2-2x=0

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Solution for -16x^3-6x^2-2x=0 equation: 


Simplifying
-16x3 + -6x2 + -2x = 0

Reorder the terms:
-2x + -6x2 + -16x3 = 0

Solving
-2x + -6x2 + -16x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-2x'.
-2x(1 + 3x + 8x2) = 0

Ignore the factor -2.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x = 0

Subproblem 2
Set the factor '(1 + 3x + 8x2)' equal to zero and attempt to solve:

Simplifying
1 + 3x + 8x2 = 0

Solving
1 + 3x + 8x2 = 0

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
0.125 + 0.375x + x2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + 0.375x + -0.125 + x2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + 0.375x + x2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + 0.375x + x2 = 0 + -0.125
0.375x + x2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
0.375x + x2 = -0.125

The x term is 0.375x.  Take half its coefficient (0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
0.375x + 0.03515625 + x2 = -0.125 + 0.03515625

Reorder the terms:
0.03515625 + 0.375x + x2 = -0.125 + 0.03515625

Combine like terms: -0.125 + 0.03515625 = -0.08984375
0.03515625 + 0.375x + x2 = -0.08984375

Factor a perfect square on the left side:
(x + 0.1875)(x + 0.1875) = -0.08984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

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